Digital watermarks are used in the field of information security

【Note】The tampering prompt watermark is mainly to detect the integrity and authenticity of the signal of the original file. The concealed logo watermark hides the important marks of confidential data and restricts the use of confidential data by illegal users.

——Adopt content-based, non-cryptographic information hiding technology with digital watermarking as the core.

——It has the characteristics of invisible information protection, covert management, invisible transmission, information encryption and decryption, and intelligent compression.

——It is different from information encryption technology. Information encryption can only hide the content of confidential information, and cannot hide the existence of confidential information; The digital watermark is the core of information camouflage, hiding the existence of confidential information while hiding the content of confidential information.

Business Case Application 1 (Yufei "Hidden Shield" Information Security System Application)

——This system is independently developed by our company and is the first in the world and China.
——It mainly uses digital watermarking technology and information hiding technology to integrate (bind) with computers (hard disks) and mobile storage devices, and has a very high information security mechanism. It is especially suitable for military, police, national security, public security and other special departments and party and government organs.
——It has the functions of information covert protection, covert management, covert transmission, information encryption and decryption, and compression.
——The information security system uses flash media and USB interface. It is connected to the computer through USB interface. It can be hot-swapped, lightweight and convenient. It is exquisite, high-end, beautiful and generous in appearance, and does not need to install drivers (except Windows 98)—— The system uses the original A-level Flash chip, and the master control and FLASH make the data transmission more stable and high-speed through the gold wire bonding and high-end COB packaging design. 100% sealed design, dust-proof, anti-static, antimagnetic and high-temperature resistant. The products have passed strict quality inspection, exquisite workmanship and first-class quality. The following is a screenshot of some product interfaces of the information security system: